3Pcs High Speed Steel Step Drill Bit Set Hex Handle Step Drill Bit for Metal Wood Insulation Plate

Feature: 1. Scope of Application: High speed steel step drill bit set is very suitable for cutting holes on various materials, including steel, brass, wood, plastic, etc. 2. Drill Perfect Round Holes: After heat treatment and high polishing, the step drill bit set can drill perfect round holes in steel, brass, plastic, wood, etc. 3. Side Shank Design: The side shanks design in order to prevent slippage when in chuck. Exquisite workmanship, beautiful appearance design. 4. Cut Quickly and Smoothly: Two flute design drives faster, smoother and cleaner cuts. Each step is clearly labeled with the depth diameter in steps. 5. High Speed Steel: Step drill bit set for metal and wood is made from high speed steel material, which is sturdy, durable and has long service life. Specification: Item Type: Step Drill Bit Set Material: High Speed Steel Color: As Pictures Shown Weight: Approx. 120g / 4.2oz Scope of Application: Thin Iron Plate, Aluminum, Insulation Plate, PVC Plate Cutting, etc. Product Specification: 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm) 76MM Handle 3-12mm (3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm) 79MM Handle 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm) 67MM Handle. Package List: 3 x Opening Drill Bit1 x Transparent Box